LL
Name
*click on the Name for more information
Structure Class
Ordinary chondrites
Chemical Class
LL6
Country
Year found
2002
Mass
45 kg
[Museum Collection]
(1) 38.8g


This is 1 of 2919 approved meteorites (plus 2 unapproved names) classified as LL6. Search for this meteorite in the Natural History Museum collection (U.K.): Published in Meteoritical Bulletin, no. 88, MAPS 39, A215-A272 (2004)
Name
*click on the Name for more information
Structure Class
Ordinary chondrites
Chemical Class
LL6
Country
Year found
2023
Mass
33.5 kg
[Museum Collection]
(1) 72g


History: On the night of 8 July 2023, a meteorite shower occurred on flat, cultivated land, in fields and among small settlements north of the town of Boutel Fil. Three sonic booms were heard. People found black stones on the ground the following morning and started to collect them. The event triggered media coverage in Chad, leading to private initiatives to recover stones from the villagers. Marcin Cimala (Poland) sent a 33 g sample to Ansgar Greshake (MNB) for classification. Jean-Claude Doumnang, professor of Geology at the University of N’Djamena and responsible for the declaration of the previous fall from Chad, Andila (2014), heard about the event while in France working with P. Rochette (CEREGE). Upon return to N’Djamena in early August he visited the Ministry of Mines, which had sent geologists to inquire about the event on July 23. They were shown the site where a large stone had excavated a shallow cavity in soil about 0.5 m in diameter. This site is the one for which coordinates are reported. They were able to observe 6 fully crusted fresh stones from 44 to 316 g. They also made pXRF analysis of one stone, confirming the chondritic composition (abundance of Mg and Fe, presence of Ni). In N’Djamena Jean-Claude Doumnang and his contacts met a number of people who own pieces of the meteorite, and secured two samples, for N’djamena University and for CEREGE. Physical characteristics: Many individual rocks, most of which are partly to completely covered with pale black fusion crust. Broken surfaces display a fresh light-grayish interior. Petrography: (A. Greshake, MNB) The meteorite is an ordinary chondrite showing a thoroughly recrystallized texture with few poorly delineated relict chondrules. Main minerals are olivine, low-Ca pyroxene, and sodic plagioclase (grain size about 70 µm). More minor phases include Ca-pyroxene, Cl-apatite, troilite, and rare FeNi metal. Few black melt clasts are present. Geochemistry: olivine: Fa27.9±0.2 (Fa27.6-28.3, FeO/MnO=54±2, n=7); low-Ca pyroxene: Fs22.0±0.3Wo1.7±0.2 (Fs21.7-22.5Wo0.9-1.0, FeO/MnO=31±2, n=7); Ca-pyroxene: Fs8.8±0.4Wo43.0±2.3 (Fs8.6-9.7Wo37.3-44.1, FeO/MnO=22±2, n=7); feldspar: An10.2-10.7Ab83.4-85.2Or4.3-6.0, n=7. Magnetic susceptibility, measured with SM30 instrument is log χ (× 10-9 m3/kg)=3.99. Specimens: 33.5 g including one polished thin section are at MNB. 20.5 g including one polished thin section are at UWB under work name WZY-183. About 80 g are at CEREGE and about 30 g at the University of N’Djamena. Polandmet - Marcin Cimala holds 16 kg, WangZ purchased a total of 9.5 kg including one large 3.5 kg stone, Miguel Angel Contreras Gomez holds 7 kg, and Viktor Ivanov holds 670 g. Remainder held by anonymous finders.
Name
*click on the Name for more information
Structure Class
Ordinary chondrites
Chemical Class
LL5
Country
Year found
2013
Mass
1 t
[Museum Collection]
(1) 112.9g (2) 52.9g (3) 31.7g (4) 31.5g
(5) 26.7g (6) 26.5g (7) 23.6g (8) 4.8g
(9) 4.1g (10) 4.1g (11) 3.9g (12) 3.3g
(13) 3.1g (14) 3.0g (15) 2.9g (16) 2.5g
(17) 1.8g (18) 1.7g (19) 1.5g




• 分類:普通コンドライト • 落下隕石:2013年 • 落下国:ロシア • 発見総重量:1トン • 同分類の隕石数:3326個 • 原始太陽系円盤中の塵が集合した小天体の破片. • はやぶさが探査した小惑星イトカワを構成する岩石に似ている. • 落下時に撮影されたドライブレコーダーの映像がユーチューブに 多数アップされており,また落下時の衝撃波でビルのガラス窓が 割れるなど多くの被害があったことでも有名である. 【 監修 北海道大学 圦本尚義 】 • Ordinary chondrite LL5 • Fall 2013 • Russia • Recovered 1 tons • one of 3326 meteorites in this classification • This is a fragment of a small body that was formed by the accretion of dusts in the proto-solar disk. • This is similar to the rocky asteroid Itokawa explored by Hayabusa spacecraft. • Many drive recorder movies taken during the meteorite fall has been uploaded to YouTube, and it is also famous for the many damages caused by the shock wave during the fall, such as the breaking of glass windows in a building. 【Supervised by Prof. Hisayoshi Yurimoto, Hokkaido University】
Name
*click on the Name for more information
Structure Class
Ordinary chondrites
Chemical Class
LL6
Country
Year found
1963
Mass
2.22 kg
[Museum Collection]
(1) 2.02g


This is 1 of 2888 approved meteorites (plus 2 unapproved names) classified as LL6. Search for specimens in the Smithsonian Institution collection (U.S.): Search for this meteorite in the Natural History Museum collection (U.K.): Never published in the Meteoritical Bulletin
Name
*click on the Name for more information
Structure Class
Ordinary chondrites
Chemical Class
LL3.6
Country
Year found
1857
Mass
77.6 kg
[Museum Collection]
(1) 7.9g (2) 3.13g

Provenance【Natural History Museum London】


Provenance【Natural History Museum London】
This is 1 of 21 approved meteorites classified as LL3.6. Search for specimens in the Smithsonian Institution collection (U.S.): Search for this meteorite in the Natural History Museum collection (U.K.): Never published in the Meteoritical Bulletin
Name
*click on the Name for more information
Structure Class
Ordinary chondrites
Chemical Class
LL4
Country
Year found
1877
Mass
80 kg
[Museum Collection]
(1) 0.31g


This is 1 of 389 approved meteorites classified as LL4. Search for specimens in the Smithsonian Institution collection (U.S.): Search for this meteorite in the Natural History Museum collection (U.K.): Search for this meteorite in the Museo Nazionale dell'Antartide database (Siena, Italy): Never published in the Meteoritical Bulletin
Name
*click on the Name for more information
Structure Class
Ordinary chondrites
Chemical Class
LL3.2
Country
Year found
2006
Mass
4 kg
[Museum Collection]
(1) 5.40g (2) 33.10g (3) 11.96g (4) 3.39g




This is 1 of 21 approved meteorites classified as LL3.2. Published in Meteoritical Bulletin, no. 97, MAPS 45, 449-493 (2010)
Name
*click on the Name for more information
Structure Class
Ordinary chondrites
Chemical Class
LL3.05
Country
Year found
2007
Mass
128 g
[Museum Collection]
(1) 14.55g


This is 1 of 5 approved meteorites classified as LL3.05. Published in Meteoritical Bulletin, no. 97, MAPS 45, 449-493 (2010)
Name
*click on the Name for more information
Structure Class
Ordinary chondrites
Chemical Class
LL3
Country
Year found
2012
Mass
1050 g
[Museum Collection]
(1) 7.0g



History: Purchased by E. Twelker in February 2012 from a Moroccan dealer at the Tucson Gem and Mineral Show. Petrography: (A. Irving and S. Kuehner, UWS) Relatively fresh specimen composed of closely packed, well-formed chondrules (0.3-2.7 mm, mean 1.8 mm in diameter) with a relatively low content of metal (some fresh and some partially altered). Olivine, orthopyroxene, clinopyroxene, sodic plagioclase, chromite, altered kamacite and troilite. Geochemistry: Olivine (Fa0.2-89.6; Cr2O3 in ferroan olivine 0.02-0.11 wt.%, mean 0.05 wt.%, s.d. 0.03 wt.%, N = 9), orthopyroxene (Fs2.4-22.1Wo0.3-0.9, N = 3), clinopyroxene (Fs3.9-8.9Wo40.7-45.2). Classification: Ordinary chondrite (LL3). Specimens: A total of 30.8 g of material and one polished thin section are on deposit at UWB. Twelker holds the main mass.
Name
*click on the Name for more information
Structure Class
Ordinary chondrites
Chemical Class
LL6
Country
Year found
2013
Mass
1100 g
[Museum Collection]
(1) 27.15g (2) 19.52g



This is 1 of 2888 approved meteorites (plus 2 unapproved names) classified as LL6. Published in Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017
Name
*click on the Name for more information
Structure Class
Ordinary chondrites
Chemical Class
LL6-melt breccia
Country
Year found
2014
Mass
995 g
[Museum Collection]
(1) 4.7g


History: One stone weighing 994.8 g was found in Morocco and purchased by Reed in July 2014. Physical characteristics: Black fusion crust covers 65% of the irregular-shaped stone. The interior shows several different types of clasts crosscut by a prominent melt vein. Petrography: Description and classification (A. Love, App): Sample is a breccia composed of ~3.5 cm irregular to rounded clasts of two recrystallized chondritic lithologies (one showing distinct shock and weathering characteristics from the other) surrounded by ~1.0 cm melt veins composed of vesicular, clast-laden shock-melt material. Relict chondrules within the clasts have an average diameter of 683 μm. One cellular-textured mixed metal nodule was observed. Geochemistry: (A. Love, App) Clasts and melt material approach uniform composition. Fa30.4±0.7, n=19; low Ca pyroxene Fs26.2±0.5Wo2.4±0.4, n=12. Classification: Ordinary Chondrite (LL6-melt breccia, S4, W3) Specimens: 25.52 g and 2 polished thin sections and a polished mount are on deposit at App.
Name
*click on the Name for more information
Structure Class
Ordinary chondrites
Chemical Class
LL5-melt breccia
Country
Year found
2014
Mass
6.44 kg
[Museum Collection]
(1) 22.1g


History: Purchased by Jason Phillips in Octber 2014 from a Moroccan dealer. Petrography: (A. Irving and S. Kuehner, UWS) Composed of recrystallized clasts containing sparse, relatively large (up to 2.8 mm) remnant chondrules within a dark, very fine-grained matrix. The very fine-grained matrix is black (almost opaque in thin section) and contains shred-like grains of metal and rounded troilite blebs (both indicative of melting). Shock stages were S2 for clasts, and S6 for matrix. Geochemistry: Olivine (Fa26.8-27.1, N = 3), orthopyroxene (Fs21.7-22.0Wo1.4-1.3, N = 3), clinopyroxene (Fs7.3-7.7Wo45.9-46.0). Analyses were done for both clasts and matrix. Classification: Ordinary chondrite (LL5 melt breccia). Specimens: 38 g including one polished thin section at UWB; main mass with J. Phillips.
Name
*click on the Name for more information
Structure Class
Ordinary chondrites
Chemical Class
LL6
Country
Year found
2014
Mass
710 g
[Museum Collection]
(1) 21.79g (2) 19.69g



This is 1 of 2888 approved meteorites (plus 2 unapproved names) classified as LL6. Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017

